Quickly convert your 7-Blade vehicle side connector to a 4-Flat trailer end connector. The struggle for disconnecting 4-Flats is over. A finger loop provides advanced ergonomics and makes connecting and disconnecting a breeze. Integrated LED lights lets you know if know when wiring is functioning properly. This Endurance adapter includes a dust cover for long lasting performance. This part is also backed with the industry's best 3 year warranty.